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Inventor: Kaplan; George R.
Address: Rye Brook, NY
No. of patents: 10
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D330873 |
Gemstone |
November 10, 1992 |
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| 7915564 |
Laser marking system |
March 29, 2011 |
| A laser energy microinscribing system, comprising a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut ge |
| 7655882 |
Microinscribed gemstone |
February 2, 2010 |
| An apparatus and method for producing an authentication certification for a gemstone, having a processor, a database coupled to the processor, in which are stored data defining laser micro-inscriptions and physical characteristics of a plurality of gemstones, a graphic user interface |
| 7265316 |
Laser marking system |
September 4, 2007 |
| A laser energy microinscribing system, comprising a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut ge |
| 7010938 |
Microinscribed gemstone |
March 14, 2006 |
| A microinscribed gemstone such as a diamond is inscribed by a laser beam to graphitize a surface portion of the gemstone without damaging a bulk portion. |
| 6684663 |
Microinscribed gemstone |
February 3, 2004 |
| A microinscribed gemstone is inscribed by a laser beam to graphitize a surface portion of the gemstone without damaging a bulk portion. |
| 6476351 |
Laser marking system |
November 5, 2002 |
| A laser energy microinscribing system, including a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut gem |
| 6211484 |
Laser making system and certificate for a gemstone |
April 3, 2001 |
| A laser energy microinscribing system, comprising a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut ge |
| 5932119 |
Laser marking system |
August 3, 1999 |
| A laser energy microinscribing system, including a semiconductor excited Q-switched solid state laser energy source; a cut gemstone mounting system, allowing optical access to a mounted workpiece; an optical system for focusing laser energy from the laser energy source onto a cut gem |
| 5341694 |
Diamond anvil having diamonds with curved edges |
August 30, 1994 |
| A diamond anvil of the type comprising (a) a pair of diamonds having a facing, plane parallel bearing surfaces and (b) a device for applying a force to the diamonds tending to press the bearing surfaces together. Both diamonds have a peripheral surface, extending outward from the bearing |
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